package com.itheima.service;

import com.itheima.pojo.Member;

import java.util.List;
import java.util.Map;

/**
 * @author mengwei
 * @date 2019/8/19
 * @desc
 */
public interface MemberService {
    Member findByTelephone(String telephone);

    void addMember(Member member);

    Map<String,Object> getMemberReport();
    Map<String,Object> getMemberSex();

    Map<String,Object> getMemberAge();

    List<Long> findMemberByDate(List<String> days);
}
